Paul Davis
bb2e171ea5
git-svn-id: svn://localhost/ardour2/branches/3.0@9831 d708f5d6-7413-0410-9779-e7cbd77b26cf
398 lines
9.4 KiB
C++
398 lines
9.4 KiB
C++
/*
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Copyright (C) 2008-2011 Paul Davis
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Author: David Robillard
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#include "ardour/lv2_plugin.h"
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#include "ardour/plugin_manager.h"
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#include "ardour/processor.h"
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#include "ardour_ui.h"
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#include "gui_thread.h"
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#include "lv2_plugin_ui.h"
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#include "lv2_ui.h"
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/* Note this file is not compiled without either Suil or SLV2 present,
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and if Suil is present then Lilv is also present.
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*/
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#ifdef HAVE_SUIL
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#include <lilv/lilv.h>
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#include <suil/suil.h>
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#else
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#include <slv2/slv2.h>
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#endif
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using namespace Gtk;
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using namespace ARDOUR;
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using namespace PBD;
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#define NS_UI "http://lv2plug.in/ns/extensions/ui#"
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#ifdef HAVE_SUIL
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static SuilHost* ui_host = NULL;
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#endif
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void
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LV2PluginUI::lv2_ui_write(void* controller,
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uint32_t port_index,
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uint32_t /*buffer_size*/,
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uint32_t /*format*/,
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const void* buffer)
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{
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LV2PluginUI* me = (LV2PluginUI*)controller;
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boost::shared_ptr<AutomationControl> ac = me->_controllables[port_index];
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if (ac) {
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ac->set_value(*(float*)buffer);
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}
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}
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void
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LV2PluginUI::on_external_ui_closed(void* controller)
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{
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LV2PluginUI* me = (LV2PluginUI*)controller;
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me->_screen_update_connection.disconnect();
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me->_external_ui_ptr = NULL;
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}
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void
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LV2PluginUI::parameter_changed(uint32_t port_index, float val)
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{
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PlugUIBase::parameter_changed(port_index, val);
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if (val != _values[port_index]) {
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parameter_update(port_index, val);
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}
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}
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void
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LV2PluginUI::parameter_update(uint32_t port_index, float val)
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{
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if (!_inst) {
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return;
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}
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#ifdef HAVE_SUIL
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suil_instance_port_event((SuilInstance*)_inst, port_index, 4, 0, &val);
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#else
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SLV2UIInstance inst = (SLV2UIInstance)_inst;
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const LV2UI_Descriptor* ui_desc = slv2_ui_instance_get_descriptor(inst);
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LV2UI_Handle ui_handle = slv2_ui_instance_get_handle(inst);
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if (ui_desc->port_event) {
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ui_desc->port_event(ui_handle, port_index, 4, 0, &val);
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}
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#endif
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_values[port_index] = val;
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}
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bool
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LV2PluginUI::start_updating(GdkEventAny*)
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{
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if (!_output_ports.empty()) {
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_screen_update_connection.disconnect();
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_screen_update_connection = ARDOUR_UI::instance()->RapidScreenUpdate.connect
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(sigc::mem_fun(*this, &LV2PluginUI::output_update));
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}
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return false;
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}
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bool
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LV2PluginUI::stop_updating(GdkEventAny*)
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{
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//cout << "stop_updating" << endl;
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if (!_output_ports.empty()) {
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_screen_update_connection.disconnect();
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}
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return false;
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}
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void
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LV2PluginUI::output_update()
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{
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//cout << "output_update" << endl;
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if (_external_ui_ptr) {
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LV2_EXTERNAL_UI_RUN(_external_ui_ptr);
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}
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/* FIXME only works with control output ports (which is all we support now anyway) */
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uint32_t nports = _output_ports.size();
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for (uint32_t i = 0; i < nports; ++i) {
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uint32_t index = _output_ports[i];
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parameter_changed(index, _lv2->get_parameter(index));
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}
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}
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LV2PluginUI::LV2PluginUI(boost::shared_ptr<PluginInsert> pi,
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boost::shared_ptr<LV2Plugin> lv2p)
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: PlugUIBase(pi)
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, _lv2(lv2p)
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, _gui_widget(NULL)
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, _values(NULL)
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, _external_ui_ptr(NULL)
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, _inst(NULL)
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{
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}
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void
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LV2PluginUI::lv2ui_instantiate(const std::string& title)
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{
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LV2_Feature** features;
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LV2_Feature** features_src;
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LV2_Feature** features_dst;
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size_t features_count;
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bool is_external_ui;
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is_external_ui = _lv2->is_external_ui();
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if (is_external_ui) {
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_external_ui_host.ui_closed = LV2PluginUI::on_external_ui_closed;
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_external_ui_host.plugin_human_id = strdup(title.c_str());
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_external_ui_feature.URI = LV2_EXTERNAL_UI_URI;
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_external_ui_feature.data = &_external_ui_host;
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features_src = features = (LV2_Feature**)_lv2->features();
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features_count = 2;
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while (*features++) {
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features_count++;
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}
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features_dst = features = (LV2_Feature**)malloc(
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sizeof(LV2_Feature*) * features_count);
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features_dst[--features_count] = NULL;
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features_dst[--features_count] = &_external_ui_feature;
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while (features_count--) {
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*features++ = *features_src++;
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}
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} else {
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features_dst = (LV2_Feature**)_lv2->features();
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}
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#ifdef HAVE_SUIL
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if (!ui_host) {
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ui_host = suil_host_new(LV2PluginUI::lv2_ui_write, NULL, NULL, NULL);
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}
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const char* container_type = (is_external_ui)
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? NS_UI "external"
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: NS_UI "GtkUI";
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LilvUI* ui = (LilvUI*)_lv2->c_ui();
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_inst = suil_instance_new(
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ui_host,
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this,
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container_type,
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_lv2->uri(),
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lilv_node_as_uri(lilv_ui_get_uri(ui)),
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lilv_node_as_uri((const LilvNode*)_lv2->c_ui_type()),
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lilv_uri_to_path(lilv_node_as_uri(lilv_ui_get_bundle_uri(ui))),
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lilv_uri_to_path(lilv_node_as_uri(lilv_ui_get_binary_uri(ui))),
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features_dst);
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#else
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_inst = slv2_ui_instantiate((SLV2Plugin)_lv2->c_plugin(),
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(SLV2UI)_lv2->c_ui(),
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LV2PluginUI::lv2_ui_write,
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this,
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features_dst);
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#endif
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if (is_external_ui) {
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free(features_dst);
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}
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#ifdef HAVE_SUIL
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#define GET_WIDGET(inst) suil_instance_get_widget((SuilInstance*)inst);
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#else
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#define GET_WIDGET(inst) slv2_ui_instance_get_widget((SLV2UIInstance)inst);
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#endif
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const uint32_t num_ports = _lv2->num_ports();
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for (uint32_t i = 0; i < num_ports; ++i) {
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if (_lv2->parameter_is_output(i)
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&& _lv2->parameter_is_control(i)
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&& is_update_wanted(i)) {
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_output_ports.push_back(i);
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}
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}
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_external_ui_ptr = NULL;
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if (_inst) {
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if (!is_external_ui) {
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GtkWidget* c_widget = (GtkWidget*)GET_WIDGET(_inst);
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_gui_widget = Glib::wrap(c_widget);
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_gui_widget->show_all();
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pack_start(*_gui_widget, true, true);
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} else {
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_external_ui_ptr = (struct lv2_external_ui*)GET_WIDGET(_inst);
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}
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}
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_values = new float[num_ports];
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_controllables.resize(num_ports);
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for (uint32_t i = 0; i < num_ports; ++i) {
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bool ok;
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uint32_t port = _lv2->nth_parameter(i, ok);
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if (ok) {
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_values[port] = _lv2->get_parameter(port);
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_controllables[port] = boost::dynamic_pointer_cast<ARDOUR::AutomationControl> (
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insert->control(Evoral::Parameter(PluginAutomation, 0, port)));
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if (_lv2->parameter_is_control(port) && _lv2->parameter_is_input(port)) {
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parameter_update(port, _values[port]);
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}
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}
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}
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}
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void
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LV2PluginUI::lv2ui_free()
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{
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stop_updating (0);
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if (_gui_widget) {
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remove (*_gui_widget);
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}
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#ifdef HAVE_SUIL
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suil_instance_free((SuilInstance*)_inst);
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#else
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SLV2UIInstance inst = (SLV2UIInstance)_inst;
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if (inst) {
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const LV2UI_Descriptor* ui_desc = slv2_ui_instance_get_descriptor(inst);
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LV2UI_Handle ui_handle = slv2_ui_instance_get_handle(inst);
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if (ui_desc) {
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ui_desc->cleanup(ui_handle);
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}
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}
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#endif
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_inst = NULL;
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_gui_widget = NULL;
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}
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LV2PluginUI::~LV2PluginUI ()
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{
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if (_values) {
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delete[] _values;
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}
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/* Close and delete GUI. */
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lv2ui_free();
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_screen_update_connection.disconnect();
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if (_lv2->is_external_ui()) {
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/* External UI is no longer valid.
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on_window_hide() will not try to use it if is NULL.
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*/
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_external_ui_ptr = NULL;
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}
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}
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int
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LV2PluginUI::get_preferred_height()
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{
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Gtk::Requisition r = size_request();
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return r.height;
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}
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int
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LV2PluginUI::get_preferred_width()
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{
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Gtk::Requisition r = size_request();
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return r.width;
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}
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int
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LV2PluginUI::package(Gtk::Window& win)
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{
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if (_external_ui_ptr) {
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_win_ptr = &win;
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} else {
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/* forward configure events to plugin window */
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win.signal_configure_event().connect(
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sigc::mem_fun(*this, &LV2PluginUI::configure_handler));
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win.signal_map_event().connect(
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sigc::mem_fun(*this, &LV2PluginUI::start_updating));
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win.signal_unmap_event().connect(
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sigc::mem_fun(*this, &LV2PluginUI::stop_updating));
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}
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return 0;
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}
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bool
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LV2PluginUI::configure_handler(GdkEventConfigure*)
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{
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std::cout << "CONFIGURE" << std::endl;
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return false;
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}
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bool
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LV2PluginUI::is_update_wanted(uint32_t /*index*/)
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{
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/* FIXME: use port notification properties
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and/or new UI extension subscription methods
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*/
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return true;
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}
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bool
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LV2PluginUI::on_window_show(const std::string& title)
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{
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//cout << "on_window_show - " << title << endl; flush(cout);
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if (_lv2->is_external_ui()) {
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if (_external_ui_ptr) {
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LV2_EXTERNAL_UI_SHOW(_external_ui_ptr);
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return false;
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}
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lv2ui_instantiate(title);
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if (!_external_ui_ptr) {
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return false;
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}
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LV2_EXTERNAL_UI_SHOW(_external_ui_ptr);
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_screen_update_connection.disconnect();
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_screen_update_connection = ARDOUR_UI::instance()->RapidScreenUpdate.connect
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(sigc::mem_fun(*this, &LV2PluginUI::output_update));
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return false;
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} else {
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lv2ui_instantiate("gtk2gui");
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}
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return true;
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}
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void
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LV2PluginUI::on_window_hide()
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{
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//cout << "on_window_hide" << endl; flush(cout);
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if (_external_ui_ptr) {
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LV2_EXTERNAL_UI_HIDE(_external_ui_ptr);
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//slv2_ui_instance_get_descriptor(_inst)->cleanup(_inst);
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//_external_ui_ptr = NULL;
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//_screen_update_connection.disconnect();
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} else {
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lv2ui_free();
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}
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}
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